wehub-resource-sync
74 lines
2.8 KiB
TypeScript
74 lines
2.8 KiB
TypeScript
/**
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* codegraph_explore blast-radius section.
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*
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* explore now appends a compact, always-on "Blast radius" for the entry
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* symbols: who depends on each (locations only — no source) and which test
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* files cover it, so the agent knows what to update/verify before editing
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* without a separate impact call. Symbols with no dependents are skipped, and
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* the section is omitted entirely when nothing qualifies.
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*/
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import { describe, it, expect, beforeEach, afterEach } from 'vitest';
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import * as fs from 'fs';
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import * as path from 'path';
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import * as os from 'os';
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import CodeGraph from '../src/index';
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import { ToolHandler } from '../src/mcp/tools';
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describe('codegraph_explore — blast radius', () => {
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let testDir: string;
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let cg: CodeGraph;
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let handler: ToolHandler;
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beforeEach(async () => {
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testDir = fs.mkdtempSync(path.join(os.tmpdir(), 'codegraph-blast-'));
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const src = path.join(testDir, 'src');
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fs.mkdirSync(src, { recursive: true });
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// `target` is depended on by a sibling (caller) and a test file.
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fs.writeFileSync(
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path.join(src, 'feature.ts'),
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`export function target() { return 1; }\n` +
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`export function caller() { return target(); }\n`,
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);
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fs.writeFileSync(
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path.join(src, 'feature.test.ts'),
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`import { target } from './feature';\n` +
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`export function checkTarget() { return target(); }\n`,
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);
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// A leaf with no dependents — must NOT show up in the blast radius.
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fs.writeFileSync(
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path.join(src, 'leaf.ts'),
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`export function lonelyLeaf() { return 42; }\n`,
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);
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cg = CodeGraph.initSync(testDir, { config: { include: ['**/*.ts'], exclude: [] } });
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await cg.indexAll();
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handler = new ToolHandler(cg);
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});
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afterEach(() => {
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if (cg) cg.destroy();
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if (fs.existsSync(testDir)) fs.rmSync(testDir, { recursive: true, force: true });
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});
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it('lists dependents (locations only) and covering tests for an entry symbol', async () => {
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const res = await handler.execute('codegraph_explore', { query: 'target' });
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const text = res.content[0].text;
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expect(text).toContain('**Blast radius');
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expect(text).toContain('`target`');
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expect(text).toMatch(/caller/); // a caller count is reported
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// It names WHERE (the caller file) — not the caller's source body.
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expect(text).toContain('feature.ts');
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// Test coverage is surfaced (either the covering test file, or the warning).
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expect(text).toMatch(/tests:.*feature\.test\.ts|no covering tests/);
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});
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it('omits symbols that have no dependents from the blast radius', async () => {
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const res = await handler.execute('codegraph_explore', { query: 'lonelyLeaf' });
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const text = res.content[0].text;
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// lonelyLeaf has zero callers — it must never appear under a blast-radius bullet.
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expect(text).not.toMatch(/Blast radius[\s\S]*`lonelyLeaf`/);
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});
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});
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